Tickets to a concert hall were sold to senior citizens, adults and children at different prices as shown.
|
Price |
Senior citizen ticket |
$4 |
Child ticket |
$7 |
Adult ticket |
$13 |
19 of the tickets sold were bought by senior citizens and
35 of them were bought by adults. The rest were bought by children.
- What fraction of the tickets sold were bought by children?
- A total amount of $11550 was collected from the sale of the tickets. How many children bought the tickets?
(a)
Fraction of tickets bought by the children
= 1 -
19 -
35 = 1 -
545 -
2745 =
1345 (b)
|
Senior Citizens |
Children |
Adults |
Number |
5 u |
13 u |
27 u |
Value |
4 |
7 |
13 |
Total value |
20 u |
91 u |
351 u |
Total amount collected
= 20 u + 91 u + 351 u
= 462 u
462 u = 11550
1 u = 11550 ÷ 462 = 25
Number of children who bought the tickets
= 13 u
= 13 x 25
= 325
Answer(s): (a)
1345; (b) 325